使用滚动升级特性允许您使用最少的、甚至零停机时间升级集群。
Using the rolling upgrade feature allows you to upgrade the cluster with zero or minimal down time.
最重要的“免麻烦”特性可能是完全支持滚动升级，这意味着不需要为了进行维护而停机。
And perhaps the most important "hassle-free" feature is full support for rolling upgrades-meaning zero downtime for maintenance.
在本文中，术语滚动升级（rolling upgrade）用于指这个特性。
Throughout this article, the term rolling upgrade is used to refer to this feature.
滚动升级功能是Informix 11.70添加到Informix服务器的众多高可用性解决方案的一个特性。
The ability to perform rolling upgrades is one the features in Informix 11.70 that adds to the many high availability solutions for the Informix server.
滚动升级功能是Informix 11.70添加到Informix服务器的众多高可用性解决方案的一个特性。
The ability to perform rolling upgrades is one the features in Informix 11.70 that adds to the many high availability solutions for the Informix server.
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